Here are 10 One-word answer type questions on the topic Evaporation, along with their answers and short explanations (all together so that it is easy for students to understand):
Topic: Evaporation
Explanation:
Evaporation is the process in which water changes into water vapour when it is heated or exposed to air. It happens when water is left open in air or kept in sunlight. You may have seen wet clothes drying in the sun or water disappearing from a plate left outside. That is evaporation.
Questions – One-word Answer Type (with answers & explanation)
1. Question: What is left behind when sea water dries up in the sun?
Answer: Salt
Explanation: When sea water is left in shallow beds, the water evaporates due to sunlight and only salt is left behind .
2. Question: What helps to dry wet clothes faster — sun or shade?
Answer: Sun
Explanation: Heat from the sun increases evaporation, so clothes dry faster in sunlight.
3. Question: What happens to water when it is heated?
Answer: Evaporation
Explanation: When water is heated, it changes into vapour and disappears into the air.
4. Question: In which state does water turn after evaporation?
Answer: Vapour
Explanation: Water turns into water vapour when it evaporates.
5. Question: Why did Ayesha’s mother find very little water left in the pan after boiling?
Answer: Evaporation
Explanation: The water changed into vapour and escaped into the air while boiling .
6. Question: What do we call the process of water changing into vapour?
Answer: Evaporation
Explanation: When water slowly disappears in the form of vapour, the process is called evaporation.
7. Question: What do Chittibabu and Chinnababu dry in the sun to make mamidi tandra?
Answer: Mango
Explanation: Mango pulp is dried in sunlight. The water evaporates, and sweet aam papad is made .
8. Question: What natural thing helps in the process of evaporation?
Answer: Sun
Explanation: The sun’s heat helps water to change into vapour.
9. Question: What should you do to dry your washed handkerchief quickly?
Answer: Spread
Explanation: When you spread the handkerchief, more surface area is exposed to air and sun, so evaporation happens faster .
10. Question: What do people make by drying mango pulp in the sun?
Answer: Mamidi tandra
Explanation: Mamidi tandra (Aam papad) is made when the water from mango pulp evaporates and only the sweet layer remains .
If you want, I can prepare this in a worksheet format too — ready to print and give to students.
Shall I?
